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main.go
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main.go
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package main
import (
"flag"
"fmt"
"log"
"net/http"
"os"
"time"
"github.com/paked/messenger"
)
var (
verifyToken = flag.String("verify-token", "mad-skrilla", "The token used to verify facebook (required)")
verify = flag.Bool("should-verify", false, "Whether or not the app should verify itself")
pageToken = flag.String("page-token", "not skrilla", "The token that is used to verify the page on facebook")
appSecret = flag.String("app-secret", "", "The app secret from the facebook developer portal (required)")
host = flag.String("host", "localhost", "The host used to serve the messenger bot")
port = flag.Int("port", 8080, "The port used to serve the messenger bot")
)
func main() {
flag.Parse()
if *verifyToken == "" || *appSecret == "" || *pageToken == "" {
fmt.Println("missing arguments")
fmt.Println()
flag.Usage()
os.Exit(-1)
}
// Create a new messenger client
client := messenger.New(messenger.Options{
Verify: *verify,
AppSecret: *appSecret,
VerifyToken: *verifyToken,
Token: *pageToken,
})
// Setup a handler to be triggered when a message is received
client.HandleMessage(func(m messenger.Message, r *messenger.Response) {
fmt.Printf("%v (Sent, %v)\n", m.Text, m.Time.Format(time.UnixDate))
p, err := client.ProfileByID(m.Sender.ID, []string{"name", "first_name", "last_name", "profile_pic"})
if err != nil {
fmt.Println("Something went wrong!", err)
}
r.Text(fmt.Sprintf("Hello, %v!", p.FirstName), messenger.ResponseType)
})
// Setup a handler to be triggered when a message is delivered
client.HandleDelivery(func(d messenger.Delivery, r *messenger.Response) {
fmt.Println("Delivered at:", d.Watermark().Format(time.UnixDate))
})
// Setup a handler to be triggered when a message is read
client.HandleRead(func(m messenger.Read, r *messenger.Response) {
fmt.Println("Read at:", m.Watermark().Format(time.UnixDate))
})
addr := fmt.Sprintf("%s:%d", *host, *port)
log.Println("Serving messenger bot on", addr)
log.Fatal(http.ListenAndServe(addr, client.Handler()))
}